package index;
public class yingying {
    public static void main(String[] args) {
        User yy=new User("167392739204","qwer","123456","sing","famale");
        //key :value;
        System.out.println(yy.toString());
        yy.sendcode();
        yy.register();
        yy.login();
        //extend  继承
        //
    }
}
